| abstract |
Amino acids constituting a physiologically active molecule human delta 2; a gene arrangement thereof; and an antibody thereto. Thenhuman delta 2 molecule, at least the amino acid sequence described in SEQ ID NO: 1 of the sequence listing, functions as a chemical usefulnfor proliferation of undifferentiated blood cells and inhibition of differentiation, and hence can be utilized as pharmaceuticals and medicalnsupplies. |